A small group of survivors, led by former manga creator Korori Nakata, considers breaking from a large, organized group of humans who follow cult leader "Asada" and have taken control of a high-rise apartment building. On a collision course with our heroes Hideo and Hiromi, the high-rise survivors face extremely powerful ZQNs and strange ZQN-human hybrids that may hold the key to unlocking the global zombie epidemic!